Creating Chicken Diablo is straightforward if you follow these easy steps:

1. Prepare Chicken: Season the chicken breasts with salt, pepper, and half of the chili powder.
2. Heat Oil: In a large skillet, heat the olive oil over medium heat.
3. Cook Chicken: Add the chicken breasts to the skillet. Cook for about 6-7 minutes on each side, or until golden brown and cooked through. Remove from the skillet and set aside.
4. Sauté Vegetables: In the same skillet, add chopped onion and sliced bell pepper. Sauté for 3-4 minutes until softened.
5. Add Garlic: Stir in minced garlic and cook for an additional minute until fragrant.
6. Combine Ingredients: Add the diced tomatoes with green chilies, tomato paste, cumin, paprika, and cayenne pepper. Stir to combine.
7. Add Chicken Back: Return the cooked chicken to the skillet, nestling it into the sauce. Let it simmer for 10 minutes, allowing the flavors to meld.
8. Adjust Seasoning: Taste and adjust the seasoning with additional salt, pepper, or cayenne if desired.
9. Garnish: Remove from heat and sprinkle fresh cilantro over the dish for added flavor.
10. Serve Hot: Plate the Chicken Diablo and serve immediately, accompanied by lime wedges.

These clear and concise steps will guide you in making this amazing dish, ensuring delicious results every time.